Swedish skyscraper with a 90° twist.

Shipwrecks, ruins, and turtles are all that remain on this haunting Caribbean ghost island.

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

The first, and perhaps only, monument dedicated to Wikipedia.

Colorful Native American paintings are hidden within this small cavern.

Rare signs of the former Soviet Union in the Caribbean, though not where you'd expect them.

This ancient city - home to nine civilizations - is soon to be buried under 200 feet of water.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

Huge herds of Asian elephants can be seen walking, bathing, and just chilling at this Sri Lankan park.

This fort dates back to 1588 and was colonized by the Portuguese, Dutch, and English and sits prominently on the Indian Ocean where azure water lap the coast.

Known as one of the most famous parks in Honduras.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

This patch of land is home to Sweden's largest burial mound, allegedly belonging to a mythical king.

Unfortunately, you can no longer spend a night in this single-person treetop hotel.

It houses the remains of a 17th-century version of the Titanic.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Ming Dynasty necropolis raided during the Cultural Revolution.

The most famous location in China was home to whole dynasties worth of imperial rulers.

A Mayan village preserved for centuries in volcanic ash.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

This small New York museum celebrates the mountainous artwork of a Russian mystic.